Question
Question: If the area to be covered for TV telecast is doubled the height of transmitting antenna (TV tower) w...
If the area to be covered for TV telecast is doubled the height of transmitting antenna (TV tower) will have to be –
A
Doubled
B
Halved
C
Quadrupled
D
Kept unchanged
Answer
Doubled
Explanation
Solution
Area covered by TV signals = pd2 , d = 2Rh
where, R is the radius of the earth and h is height of antenna. A∝h.